Prevention and Treatment of Heat Illness

Publication Date: July 1, 2019
Last Updated: March 14, 2022

Recommendations

Prevention and planning

Screen for significant pre-existing medical conditions. (1 – Strong, B)
679
Minimize use of medications that could limit the thermoregulatory response. (1 – Strong, C)
679
Recognize that an overweight body habitus is associated with greater risk of heat illness. (1 – Strong, B)
679
Promote regular aerobic activity before heat exposure. (1 – Strong, C)
679
Allow for acclimatization with 1 to 2 h·d-1 of heat-exposed exertion for at least 8 d. (1 – Strong, C)
679
Ensure euhydration before activity. (1 – Strong, B)
679
Ensure ongoing rehydration with a “drink to thirst” approach sufficient to prevent >2% loss of body weight. (1 – Strong, B)
679
Consider history of heat injury as a reversible risk factor for recurrence. (1 – Strong, C)
679

Overview

Title

Prevention and Treatment of Heat Illness

Authoring Organization

Wilderness Medical Society